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  • TPA3221: TPA3221 - Problems

    Part Number: TPA3221 Other Parts Discussed in Thread: LM317 , TPA3220 Hi Guys, Made this TPA3221 PCB with EVM suggested components but hrere is the problem.
    • Answered

  • TPA3221: Synchronizing two stereo TPA3221 IC's

    Resolved
    Part Number: TPA3221 Hi, I am designing a 4 channel amplifier board with TPA3221. All four channels shall have 30dB gain. I don't feel 100% sure that I have made the correct connections when synchronizing the two IC's. Please help me to review the…
    • Resolved

  • TPA3221: TPA3221 Short circuit testing issue

    Part Number: TPA3221 Other Parts Discussed in Thread: TPA3223 , TPA3251 Tool/software: Hi Customer designed a 2 * 200W (2 Ω load) digital amplifier board, using TI's TPA3221 chip and PBTL mode. This is a PCB picture of the amplifier board and power…
    • Answered

  • TPA3221: Input Grounding

    Resolved
    Part Number: TPA3221 Other Parts Discussed in Thread: TPA3255 Hi team, I have a question about TPA3255. When MODE pins are set to M1=0, M2=1 for PBTL mode, I need to ground audio inputs INPUT C and D (pins 16, 17). Should the grounding be done mechanically…
    • Resolved
    • Answered

  • TPA3221: Thermal Consideration

    Resolved
    Part Number: TPA3221 Other Parts Discussed in Thread: TPA3220 Hi team, Could you please provide thermal design guidance regarding cooling for the TPA3221 and TPA3220? Could you tell me the specic recommended torque when applying tension to the IC…
    • Resolved

  • TPA3221: Schematic Review

    Part Number: TPA3221 Hi Expert, Customer is using TPA3221 but found high failure rate after 10-20mins of aging test. Failure units shows low impedance or infinite value for pin 5,6,7,35, 39, 40 per customer's quick multi-meter measurement. Could you…
    • Answered

  • TPA3223: TPA3223 pin-to-pin compatibility with TPA3221

    Resolved
    Part Number: TPA3223 Other Parts Discussed in Thread: TPA3221 , Hello, in several of your documents it is stated that the TPA32xx series has pin-to-pin compatibility . On the TPA3221 page, the TPA3223 is also listed as pin-for-pin compatible . However…
    • Resolved
    • Answered

  • TPA3221: Impedance Requirement on GAIN pin

    Resolved
    Part Number: TPA3221 Hi TI Expert, We might need to adjust the GAIN setting during the testing. Adjusting the resistance on the GAIN pin might not works. For example, using IO signal to control the MOSFET ON/OFF status to change the voltage level…
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    • Answered

  • TPA3221: schematic check and correct

    Resolved
    Part Number: TPA3221 Other Parts Discussed in Thread: TPS3808 Hi Team, Design requirement: when TPA3221 over load, the output is shut down. the FAULT pin trigger the TPS3808G MR pin, causing TPA3221 to RESET and regain output. currently problem…
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    • Answered

  • TPA3221: Background of the OVP's Removal

    Resolved
    Part Number: TPA3221 Hi team, The latest datasheet no longer includes OVP. Could you explain the background behind this? Best Regards, Ryu.
    • Resolved

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